21158990396160

Names of 21158990396160

• Cardinal: 21158990396160 can be written as Twenty-one trillion, one hundred fifty-eight billion, nine hundred ninety million, three hundred ninety-six thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.115899039616 × 10¹³

Factors of 21158990396160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2642324

Divisors of 21158990396160

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 2087 3840 4174 6261 8348 10435 12522 16696 20870 25044 31305 33392 41740 50088 62610 66784 83480 100176 125220 133568 166960 200352 250440 267136 333920 400704 500880 534272 667840 801408 1001760 1335680 1602816 2003520 2640227 2671360 4007040 5280454 7920681 8014080 10560908 13201135 15841362 21121816 26402270 31682724 39603405 42243632 52804540 63365448 79206810 84487264 105609080 126730896 158413620 168974528 211218160 253461792 316827240 337949056 422436320 506923584 633654480 675898112 844872640 1013847168 1267308960 1689745280 2027694336 2534617920 3379490560 5069235840 5510153749 10138471680 11020307498 16530461247 22040614996 27550768745 33060922494 44081229992 55101537490 66121844988 82652306235 88162459984 110203074980 132243689976 165304612470 176324919968 220406149960 264487379952 330609224940 352649839936 440812299920 528974759904 661218449880 705299679872 881624599840 1057949519808 1322436899760 1410599359744 1763249199680 2115899039616 2644873799520 3526498399360 4231798079232 5289747599040 7052996798720 10579495198080 21158990396160
• Sum of all divisors σ(n): 67608930928896
• Sum of proper divisors (its aliquot sum) s(n): 46449940532736
• 21158990396160 is an abundant number, because the sum of its proper divisors (46449940532736) is greater than itself. Its abundance is 25290950136576

Bases of 21158990396160

• Binary: 100110011111001110110000110110011101100000000₂
• Hexadecimal: 0x133E761B3B00
• Base-36: 7I0B0KMIO

Squares and roots of 21158990396160

• 21158990396160 squared (21158990396160²) is 447702874584791113742745600
• 21158990396160 cubed (21158990396160³) is 9472940823672820123282464343270096896000
• The square root of 21158990396160 is 4599890.2591431461
• The cube root of 21158990396160 is 27658.6925729165

Scales and comparisons

• 21,158,990,396,160 seconds is equal to 672,790 years, 23 weeks, 1 day, 4 hours, 16 minutes.
• To count from 1 to 21,158,990,396,160 would take you about one million, six hundred eighty-one thousand, nine hundred seventy-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21158990396160 cubic inches would be around 2304.9 feet tall.

Recreational maths with 21158990396160

• 21158990396160 backwards is 06169309985112
• 21158990396160 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21158990396160's digits is 60
• More coming soon!